Zobrazeno 1 - 10 of 26 pro vyhledávání: '"H. D. Bowen"'
1
Effects of Insert Edge Design and Insertion and Sealing Techniques on Soil Air Permeability Measurement
Autor: P. Liang, H. D. Bowen, C. G. Bowers
Publikováno v: Transactions of the ASAE. 39:1269-1273
Soil insert is a device that interfaces a soil air permeameter to the soil for introducing air into soil. Effects of insert end edge and insertion and sealing methods on soil air permeability measurements were evaluated by testing three different ins
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1f6a82a988afe4db9f1a1343e7767037
https://doi.org/10.13031/2013.27618
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2
Finite Element Model to Determine the Shape Factor for Soil Air Permeability Measurements
Autor: P. Liang, H. D. Bowen, C. G. Bowers
Publikováno v: Transactions of the ASAE. 38:997-1003
A finite element model was developed to simulate air flow through soil. The model was used to find the shape factor, A, for an air permeameter used to determine soil air permeability. The finite element model yielded more accurate results than an ele
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::85258286cea53fcf2b814d329b4c19f0
https://doi.org/10.13031/2013.27878
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4
Laboratory Investigation of Nuclear Density Gauge Operation
Autor: H. D. Bowen, P. D. Ayers
Publikováno v: Transactions of the ASAE. 31:0658-0661
THE introduction of nuclear density gauges has brought with it the potential for fast, easy and accurate soil density measurements. However, before these gauges can be used in the field, their performance must be evaluated. Performance tests were con
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c433d3ade9e140f7a5dece2e8aaefe95
https://doi.org/10.13031/2013.30762
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7
Performance Comparisons of Naturally- and Mechanically-Ventilated Solar-Assisted Swine Nurseries
Autor: B. K. Huang, H. D. Bowen, A. Song
Publikováno v: Transactions of the ASAE. 32:0216-0222
A modified-open-front (MOF), naturally-ventilated, solar-assisted (NVS) swine nursery and a mechanically-ventilated, solar-assisted (MVS) swine nursery were compared for building environment, energy efficiency, pig performance, and pig behavior durin
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3505740e49a8ef8e8897b6a816bea036
https://doi.org/10.13031/2013.30985
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